R^2+4=5

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Solution for R^2+4=5 equation: 


Simplifying
R2 + 4 = 5

Reorder the terms:
4 + R2 = 5

Solving
4 + R2 = 5

Solving for variable 'R'.

Move all terms containing R to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + R2 = 5 + -4

Combine like terms: 4 + -4 = 0
0 + R2 = 5 + -4
R2 = 5 + -4

Combine like terms: 5 + -4 = 1
R2 = 1

Simplifying
R2 = 1

Take the square root of each side:
R = {-1, 1}

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